Longines 30L Mainspring

Longines 30L Mainspring

The mainspring is a crucial component of a mechanical watch, storing and releasing energy to ensure smooth operation. Crafted from strong, high-quality metals, our mainsprings are durable and of high quality. Designed for precision, they help maintain accurate timekeeping and extend the period between windings.

Available in various sizes, they fit a wide range of watch models, from vintage classics to modern designs.